RT9185 データシートの表示（PDF） - Richtek Technology

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RT9185

Triple, Ultra-Fast CMOS LDO Regulator

Richtek Technology 

RT9185

Typical Application Circuit

VOUT1 (3.35V/1.5A)

VDD (5VSB)

VOUT1 VOUT3

C2

4.7uF

RT9185

VDD VOUT2

C1

2.2uF

GND

VOUT3 (1.5V or 1.8V/0.3A)

C4

1uF

VOUT2 (2.55V/0.8A)

C3

4.7uF

Function Block Diagram

VDD

VOUT3

GND

Thermal

Sensor

Reference

Current

Limiting

+

-

-

Error +

Amplifier

Current

Limiting

+

-

-

+

Error

Amplifier

Current

Limiting

+

-

-

+ Error

Amplifier

VDD

VOUT1

VDD

VOUT2

Functional Pin Description

Pin Name

VOUT1

Pin Function

Channel 1 Output Voltage

VDD

GND

VOUT2

VOUT3

Supply Input

Common Ground

Channel 2 Output Voltage

Channel 3 Output Voltage

www.richtek.com

2

DS9185-11 March 2007

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